Module Status (Ms) Indicator - Allen-Bradley CompactLogix 1769-L32E Installation Instructions Manual

34 1769-L32E, 1769-L35E CompactLogix Controller

Module Status (MS) indicator

Condition Status
Off No power
Flashing green Standby
Solid green Ok
Solid red Held in reset
Self-test
Major fault
Flashing red Updating
firmware
Publication
1769-IN020-C-EN-P - July 2007
Indicates
The controller does not have
power.
The port does not have an IP
address and is operating in
BOOTP mode.
The port is operating
correctly.
The controller is holding the
port in reset or the controller
is faulted.
The port is performing its
power-up self-test.
An unrecoverable fault has
occurred.
The port firmware is being
updated.
Recommended Action
Check the controller power supply.
Verify that the BOOTP server is
running.
Normal operation. No action
required.
Clear the controller fault.
Replace the controller.
Normal operation during
power-up. No action required.
Cycle power to the controller.
Replace the controller.
Normal operation during firmware
update. No action required.